composition containing: (a) an extract of mate, (b) an extract of green tea and (c) an extract of guarana, characterised by the fact that the composition of (d) an extract of rosenwurz contains and the composition based on a single item of the composition, in the field 50 mg to less than or equal to 400 mg of caffeine, and in the area of 0,5 mg to less than or equal to 6 mg salidrosid from extract of rosenwurz contains.
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